An enterprising travel agent trying to sell you a summer vacation package to Phoenix, Arizona, claims that the summertime relative humidity is above 90 percent. Can this be true? Explain
What will be an ideal response?
ANSWER: Student answers may vary, but overall need to state that Phoenix, Arizona gets very hot during the summer, and a temperature of 90 degrees Fahrenheit with 90 percent relative humidity would produce a heat index of 122 degrees Fahrenheit. Although this weather situation is remotely possible, it is extremely unlikely, as a temperature of 90 degrees Fahrenheit and a relative humidity of 90 percent can occur only if the dew-point temperature is incredibly high (nearly 87 degrees Fahrenheit), and a dew point this high rarely occurs anywhere in the United States, even on the muggiest of days.
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a. Magnesium compounds b. Manganese nodules c. Sand and gravel d. Salt e. Rare-earth elements
For a surface low to develop into a major storm system, the upper-level divergence of air must be ____ surface convergence of air
A) greater than B) less than C) equal to D) the same as
How are fossil fuels (coal, petroleum and natural gas) thought to have formed? Please be specific about each type of fossil fuel.
What will be an ideal response?
The desert located along the west coast of South America is the:
a. Namib. b. Atacama. c. Gobi. d. Sonoran.